Home / 121,533.28-167,751.12-70,557.46

Finding the Fourth Proportional to 121,533.28, 167,751.12 and 70,557.46

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Solution

The fourth proportional to 121,533.28, 167,751.12 and 70,557.46 is: 97,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,533.28 : 167,751.12 = 70,557.46 : x
  2. Step 2: Convert to fraction form
    121,533.28/167,751.12 = 70,557.46/x
  3. Step 3: Cross multiply
    121,533.28x = 167,751.12 × 70,557.46
  4. Step 4: Simplify right side
    121,533.28x = 11,836,092,939.36
  5. Step 5: Solve for x
    x = 11,836,092,939.36/121,533.28
  6. Step 6: Final answer
    x = 97,389.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.